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      <td style="padding-right: 10px;"><h3>数独游戏技巧（Sudoku）<br />
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            <td width="50%" valign="top"><a href="sk_1.htm">单元唯一法( Sole Position Technique )</a> <a href="/Techniques/Sole-Position-Technique.html"><br />
            </a><a href="sk_2.htm">单元排除法( Basic Elimination Technique )</a> <br />
            <a href="sk_3.htm">区块排除法( Block Elimination Technique )</a> <br />
            <a href="sk_4.htm">唯一余数法( Sole Number Technique )</a> <br />
            <a href="sk_5.htm">组合排除法( Combination Elimination Technique)</a> <br />
            <a href="sk_6.htm">矩形排除法( Rectangle Elimination Technique)</a> <br />
            <a href="sk_7.htm">显式唯一法 (Naked Single) </a><br />
            <a href="sk_8.htm">隐式唯一法 (Hidden Single) </a><br />
            <a href="sk_9.htm">区块删减法 (Intersection   Removal) </a><br />
            <a href="sk_10.htm">显式数对法 (Naked Pair) </a><br />
            <a href="/Techniques/Naked-Triplet-Technique.html"></a></td>
            <td valign="top"><a href="sk_11.htm">显式三数集法 (Naked Triplet) </a><br />
            <a href="sk_12.htm">显式四数集法 (Naked Quad) </a><br />
            <a href="sk_13.htm">隐式数对法 (Hidden Pair) </a><br />
            <a href="sk_14.htm">隐式三数集法 (Hidden Triplet) </a><br />
            <a href="sk_15.htm">隐式四数集法 (Hidden Quad) </a><br />
            <a href="sk_16.htm">矩形对角线法 (X-wing) </a><br />
            <a href="sk_17.htm">XY形态匹配法(XY-wing) </a><br />
            <a href="sk_18.htm">XYZ形态匹配法(XYZ-wing) </a><br />
            <a href="sk_19.htm">三链数删减法 (Swordfish) </a><br />
            <a href="sk_20.htm">WXYZ形态匹配法(WXYZ-wing) </a></td>
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        <p>对于数独游戏的解法，通常采用&quot;<strong>直观法</strong>(Direct Elimination   Techniques)&quot; 和 &quot;<strong>候选数法</strong>(Candidates   Elimination Techniques)&quot;.<br />
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          <img border="0" hspace="5" src="images/sk_1.gif" /></p>
        <p><strong>直观法</strong>(Direct   Elimination   Techniques),顾名思义，就是通过对谜题中现有的数字进行分析，继而逐一确定剩余空格中的数字的方法。它是最常用并且相对简单的方法，对于比较容易的谜题，可以快速求解并收到良好的效果。但是遇到比较复杂的题目，<strong>直观法</strong>(Direct Elimination   Techniques)就稍显力不从心了。</p>
        <img border="0" hspace="5" src="images/sk_2.gif" /> <br />
        <p><strong>候选数法</strong>(Candidates   Elimination Techniques),   是先在所有空白的单元格中写上所有可能出现的数字，然后通过一些常用的算法来删减候选数，最终获得唯一确定的候选数。<strong>候选数法</strong>(Candidates   Elimination   Techniques)被广泛使用在电脑生成谜题及解题的实践中，这不仅因为它编程相对容易，而且它的算法也在不断增加，使它的解题效率和能力都得以大力提高。</p>
      <p><strong>直观法</strong>(Direct   Elimination   Techniques)包括的常用算法：<br />
        <a href="sk_1.htm">单元唯一法( Sole Position Technique )</a> <a href="/Techniques/Sole-Position-Technique.html"><br />
        </a><a href="sk_2.htm">单元排除法( Basic Elimination Technique )</a> <br />
        <a href="sk_3.htm">区块排除法( Block Elimination Technique )</a> <br />
        <a href="sk_4.htm">唯一余数法( Sole Number Technique )</a> <br />
        <a href="sk_5.htm">组合排除法( Combination Elimination Technique)</a> <br />
        <a href="sk_6.htm">矩形排除法( Rectangle Elimination Technique)</a></p>
      <p><strong>候选数法</strong>(Candidates   Elimination   Techniques)包括的常用算法：<br />
        <a href="sk_7.htm">显式唯一法 (Naked Single) </a><br />
          <a href="sk_8.htm">隐式唯一法 (Hidden Single) </a><br />
          <a href="sk_9.htm">区块删减法 (Intersection   Removal) </a><br />
          <a href="sk_10.htm">显式数对法 (Naked Pair) </a><br />
          <a href="sk_11.htm">显式三数集法 (Naked Triplet) </a><br />
          <a href="sk_12.htm">显式四数集法 (Naked Quad) </a><br />
          <a href="sk_13.htm">隐式数对法 (Hidden Pair) </a><br />
          <a href="sk_14.htm">隐式三数集法 (Hidden Triplet) </a><br />
          <a href="sk_15.htm">隐式四数集法 (Hidden Quad) </a><br />
          <a href="sk_16.htm">矩形对角线法 (X-wing) </a><br />
          <a href="sk_17.htm">XY形态匹配法(XY-wing) </a><br />
          <a href="sk_18.htm">XYZ形态匹配法(XYZ-wing) </a><br />
          <a href="sk_19.htm">三链数删减法 (Swordfish) </a><br />
          <a href="sk_20.htm">WXYZ形态匹配法(WXYZ-wing) </a></p></td>
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          <td><a href="index.htm">数独(Sudoku)介绍</a><br />
            <a href="rule.htm">数独规则</a><br />
            <a href="skill.htm">数独技巧</a><br />
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